<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>ESP12F固件上传</title>
</head>

<body>
    <p>ESP12F固件上传</p>
    <form method='POST' action='/update' enctype='multipart/form-data'>
        固件:<br>
        <input type='file' accept='.bin,.bin.gz' name='firmware'>
        <input type='submit' value='升级固件'>
    </form>

    <br><br>
    <hr>
    <form method='POST' action='/update' enctype='multipart/form-data'>
        文件系统:<br>
        <input type='file' accept='.bin,.bin.gz' name='filesystem'>
        <input type='submit' value='升级文件系统'>
    </form>
</body>
</html>